could rule
Regular verb: rule - ruled- ruled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rule
you could rule
she could rule
we could rule
you could rule
they could rule 	I could be ruling
you could be ruling
she could be ruling
we could be ruling
you could be ruling
they could be ruling	I could have ruled
you could have ruled
she could have ruled
we could have ruled
you could have ruled
they could have ruled	I could have been ruling
you could have been ruling
she could have been ruling
we could have been ruling
you could have been ruling
they could have been ruling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rule
you couldn't rule
she couldn't rule
we couldn't rule
you couldn't rule
they couldn't rule 	I couldn't be ruling
you couldn't be ruling
she couldn't be ruling
we couldn't be ruling
you couldn't be ruling
they couldn't be ruling	I couldn't have ruled
you couldn't have ruled
she couldn't have ruled
we couldn't have ruled
you couldn't have ruled
they couldn't have ruled	I couldn't have been ruling
you couldn't have been ruling
she couldn't have been ruling
we couldn't have been ruling
you couldn't have been ruling
they couldn't have been ruling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rule?
could you rule?
could she rule?
could we rule?
could you rule?
could they rule? 	could I be ruling?
could you be ruling?
could she be ruling?
could we be ruling?
could you be ruling?
could they be ruling? 	could I have ruled?
could you have ruled?
could she have ruled?
could we have ruled?
could you have ruled?
could they have ruled? 	could I have been ruling?
could you have been ruling?
could she have been ruling?
could we have been ruling?
could you have been ruling?
could they have been ruling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rule?
couldn't you rule?
couldn't she rule?
couldn't we rule?
couldn't you rule?
couldn't they rule? 	couldn't I be ruling?
couldn't you be ruling?
couldn't she be ruling?
couldn't we be ruling?
couldn't you be ruling?
couldn't they be ruling? 	couldn't I have ruled?
couldn't you have ruled?
couldn't she have ruled?
couldn't we have ruled?
couldn't you have ruled?
couldn't they have ruled? 	couldn't I have been ruling?
couldn't you have been ruling?
couldn't she have been ruling?
couldn't we have been ruling?
couldn't you have been ruling?
couldn't they have been ruling?